iiEnabling the Logging of Neighbor State Changes················································································1-34Enabling IS-IS SNMP Trap ···················································································································1-34Binding an IS-IS Process with MIBs ·····································································································1-35Configuring BFD for IS-IS ·····················································································································1-35Displaying and Maintaining IS-IS ··········································································································1-35IS-IS Configuration Example·················································································································1-36IS-IS Basic Configuration ··············································································································1-36DIS Election Configuration ············································································································1-41Configuring IS-IS Route Redistribution ·························································································1-45IS-IS Graceful Restart Configuration Example··············································································1-49IS-IS Authentication Configuration Example ·················································································1-51Configuring BFD for IS-IS··············································································································1-53